/* ...（保留原有样式） */

/* 新增知识卡片样式 */
.knowledge-section {
  margin: 20px 0;
}

.knowledge-card {
  background: white;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.knowledge-card h4 {
  margin-top: 0;
  color: #1a73e8;
}

.knowledge-card a {
  color: #1a73e8;
  text-decoration: none;
  font-weight: bold;
}

/* 反馈评分样式 */
.feedback-section {
  margin: 25px 0;
}

.rating-stars {
  font-size: 24px;
  cursor: pointer;
}

.rating-stars span {
  color: #ccc;
  transition: color 0.2s;
}

.rating-stars span.active {
  color: #ffb400;
}

/* 协作组件样式 */
.collaboration-section {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 8px;
  margin-top: 20px;
}

.collaborator-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0;
}

.collaborator-badge {
  background: #e0e0e0;
  padding: 5px 10px;
  border-radius: 16px;
  font-size: 14px;
}

.collaboration-section input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .knowledge-card {
    padding: 10px;
  }
  
  .rating-stars {
    font-size: 20px;
  }
}